12n+n-13n+2n-n=7

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Solution for 12n+n-13n+2n-n=7 equation: 


Simplifying
12n + n + -13n + 2n + -1n = 7

Combine like terms: 12n + n = 13n
13n + -13n + 2n + -1n = 7

Combine like terms: 13n + -13n = 0
0 + 2n + -1n = 7
2n + -1n = 7

Combine like terms: 2n + -1n = 1n
1n = 7

Solving
1n = 7

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Divide each side by '1'.
n = 7

Simplifying
n = 7

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